P?rformanc? t?sting: Aft?r an app go?s as a result of th? ?ntir? softwar? d?v?lopm?nt proc?ss, it n??ds p?rformanc? t?sting. This t?sts how w?ll th? application p?rforms und?r various circumstances that us?rs might ?ncount?r. P?rformanc? t?sting includ?s diff?r?nt typ?s lik? load t?sting (to s?? the way it handl?s lots of us?rs), ?nduranc? t?sting